Latest Viking 1 Stories
A new interpretation of data from NASA's Viking landers indicates that 0.1% of the Martian soil tested could have a biological origin.
Thirty years after the first successful landing on Mars by NASA's Viking spacecraft, the ambitious mission continues to evoke pride and enthusiasm for future space exploration.
A year and a half after twin robot rovers thrilled space fans with their hijinks on Mars, NASA is heading there again. A fourth Mars orbiter is set to blast off Wednesday, carrying some of the most sophisticated science instruments ever sent into space. The Mars Reconnaissance Orbiter will scan the desolate surface in search of sites to land more robotic explorers in the next decade.
The National Research Council was tasked with evaluating the risks of landing humans safely to work on Mars. What challenges might arise beyond the logistics of getting to Mars? Weather and biology might face astronauts working within an extended stay mission.
The NASA History Office has compiled a definitive account of the early robotic exploration of the martian surface. In this multipart series on the twin Viking landers that pioneered surface imagery and exploration on Mars, the events leading to the first and tense rocket-powered landing of Viking I are described.